49836391 has 12 divisors (see below), whose sum is σ = 55559952. Its totient is φ = 44660000.

The previous prime is 49836389. The next prime is 49836407. The reversal of 49836391 is 19363894.

It is not a de Polignac number, because 49836391 - 2¹ = 49836389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49836341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5691 + ... + 11491.

It is an arithmetic number, because the mean of its divisors is an integer number (4629996).

Almost surely, 2^49836391 is an apocalyptic number.

49836391 is a deficient number, since it is larger than the sum of its proper divisors (5723561).

49836391 is a wasteful number, since it uses less digits than its factorization.

49836391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5894 (or 5883 counting only the distinct ones).

The product of its digits is 139968, while the sum is 43.

The square root of 49836391 is about 7059.4894291301. The cubic root of 49836391 is about 368.0008836423. Note that the first 3 decimals are identical.

The spelling of 49836391 in words is "forty-nine million, eight hundred thirty-six thousand, three hundred ninety-one".